36 
saloon, hydrous sulphates of alumina and potassa. Fluate 
Nat. Hist, of soda and alumina, or cryolite (found only in 
WestGreenland), pure and intermixed with brown 
ironstone, galena, &c. ;— mellite or honey-stone , 
which is said to be geognostically related to am¬ 
ber, but is a mellate of alumina.— Glauherite (a 
compound of anhydrous sulphate of lime, and 
anhydrous sulphate of soda), imbedded in white 
and blue rock salt, &c. ;— polyhalite of Stro- 
meyer, a chemical combination of several salts, 
formerly considered as anhydrous sulphate of 
lime. 
(Case 28.) contains various saline minerals, 
among the more remarkable of which are the 
fibrous sulphate of magnesia and soda, from Ca- 
latyud in Arragon, and the blue salt with glau- 
berite, from Aranjuez in Spain. 
In the glazed table-cases and drawers on the 
right hand side of the principal entry from the 
first room into the Saloon, are deposited the Me¬ 
tallic ores. 
(Case 29.) The ores of platina, gold, and mer¬ 
cury.-— Platina in grains from Peru and Brazil : 
the latter mixed with grains of greyish yellow 
gold. Palladium .— Iridium.—Native Gold , sub¬ 
divided into pure and alloyed gold • the former 
chiefly massive and as grains (from Guinea, Ben¬ 
gal, Sumatra), and in brown iron-stone, in quartz, 
with needle ore (acicular sulphuret of bismuth, 
See.) from Siberia ; the alloyed gold (principally 
from Transylvania) crystallized in minute cubes 
and 
